| Digest Nr | Subject and Author |
|---|
 |
| 2020.02.05.03 | Moving Aid For A Player Grand Piano, from Philip Jamison |
| 2020.02.02.02 | Moving Aid For A Player Grand Piano, from Ed Chaban |
| 2020.02.01.08 | Moving Aid For A Grand Piano, from Steve Grattan |
| 2020.01.30.03 | Moving Aid for a Player Grand Piano, from John Powers |
| 2020.01.30.02 | Moving Aid for a Player Grand Piano, from Philip Jamison |
| 2018.09.27.01 | Richard J. Howe Collection Finding Aid, from Jerry McBride |
| 2008.05.03.02 | Wurlitzer Archives Finding Aid, from Matthew Caulfield |
| 2001.07.25.04 | Pneumatic Pouch Forces - A Designer's Aid, from Johan Liljencrants |
| 1999.05.13.07 | Roll Tracking Aid in Becker Bros. Player, from Bill Boulton |
| 1998.11.12.08 | Tuning Organs Using Electronic Tuning Aid, from D. L. Bullock |
| 1998.11.12.07 | Tuning Organs Using Electronic Tuning Aid, from Scott Olson |
| 1998.11.11.08 | Tuning Organs Using Electronic Tuning Aid, from Leonardo Perretti |
| 1998.11.11.07 | Tuning Music Box Using Electronic Tuning Aid, from Bill Wineburgh |
| 1998.11.10.02 | Seek Electronic Tuning Aid for Music Box, from Alan Fox |
| 1997.07.18.16 | Source for Electronic Tuning Aid, from Larry Smith |
| 1997.07.17.19 | Seeking Electronic Tuning Aid, from Larry Lobel |
| 1997.07.16.14 | Seek Electronic Tuning Aid, from Ray Deaton |
|
